[7d4fbcd] | 1 | #include "owl.h" |
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| 2 | #include <stdlib.h> |
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| 3 | #include <string.h> |
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| 4 | |
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[b2b0773] | 5 | /* initialize an fmtext with no data */ |
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[5789230] | 6 | void owl_fmtext_init_null(owl_fmtext *f) |
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| 7 | { |
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[9866c3a] | 8 | f->textlen = 0; |
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| 9 | f->bufflen = 5; |
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| 10 | f->textbuff = owl_malloc(5); |
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| 11 | f->textbuff[0] = 0; |
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| 12 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
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| 13 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
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[c55ad84] | 14 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
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[7d4fbcd] | 15 | } |
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| 16 | |
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[a387d12e] | 17 | /* Clear the data from an fmtext, but don't deallocate memory. This |
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| 18 | fmtext can then be appended to again. */ |
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| 19 | void owl_fmtext_clear(owl_fmtext *f) |
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| 20 | { |
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[9866c3a] | 21 | f->textlen = 0; |
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| 22 | f->textbuff[0] = 0; |
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| 23 | f->default_attrs = OWL_FMTEXT_ATTR_NONE; |
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| 24 | f->default_fgcolor = OWL_COLOR_DEFAULT; |
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[c55ad84] | 25 | f->default_bgcolor = OWL_COLOR_DEFAULT; |
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[7d4fbcd] | 26 | } |
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| 27 | |
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[a387d12e] | 28 | void _owl_fmtext_realloc(owl_fmtext *f, int newlen) /*noproto*/ |
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| 29 | { |
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| 30 | if(newlen + 1 > f->bufflen) { |
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[9866c3a] | 31 | f->textbuff = owl_realloc(f->textbuff, newlen + 1); |
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[a387d12e] | 32 | f->bufflen = newlen+1; |
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| 33 | } |
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| 34 | } |
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| 35 | |
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[c1522ec] | 36 | int owl_fmtext_is_format_char(gunichar c) |
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[9866c3a] | 37 | { |
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| 38 | if ((c & ~OWL_FMTEXT_UC_ATTR_MASK) == OWL_FMTEXT_UC_ATTR) return 1; |
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| 39 | if ((c & ~(OWL_FMTEXT_UC_ALLCOLOR_MASK)) == OWL_FMTEXT_UC_COLOR_BASE) return 1; |
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| 40 | return 0; |
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| 41 | } |
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[b2b0773] | 42 | /* append text to the end of 'f' with attribute 'attr' and color |
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| 43 | * 'color' |
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| 44 | */ |
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[e19eb97] | 45 | void owl_fmtext_append_attr(owl_fmtext *f, const char *text, char attr, short fgcolor, short bgcolor) |
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[5789230] | 46 | { |
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[9866c3a] | 47 | char attrbuff[6]; |
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| 48 | int newlen, a = 0, fg = 0, bg = 0; |
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| 49 | |
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| 50 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
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| 51 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
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| 52 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
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| 53 | |
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| 54 | /* Plane-16 characters in UTF-8 are 4 bytes long. */ |
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| 55 | newlen = strlen(f->textbuff) + strlen(text) + (8 * (a + fg + bg)); |
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[a387d12e] | 56 | _owl_fmtext_realloc(f, newlen); |
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[9866c3a] | 57 | |
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| 58 | /* Set attributes */ |
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| 59 | if (a) { |
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| 60 | memset(attrbuff,0,6); |
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| 61 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff); |
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| 62 | strcat(f->textbuff, attrbuff); |
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| 63 | } |
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| 64 | if (fg) { |
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| 65 | memset(attrbuff,0,6); |
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| 66 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff); |
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| 67 | strcat(f->textbuff, attrbuff); |
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| 68 | } |
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| 69 | if (bg) { |
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| 70 | memset(attrbuff,0,6); |
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| 71 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff); |
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| 72 | strcat(f->textbuff, attrbuff); |
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| 73 | } |
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[a387d12e] | 74 | |
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[7d4fbcd] | 75 | strcat(f->textbuff, text); |
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[9866c3a] | 76 | |
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| 77 | /* Reset attributes */ |
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| 78 | if (bg) strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
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| 79 | if (fg) strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
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| 80 | if (a) strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
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[7d4fbcd] | 81 | f->textlen=newlen; |
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| 82 | } |
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| 83 | |
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[b2b0773] | 84 | /* Append normal, uncolored text 'text' to 'f' */ |
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[e19eb97] | 85 | void owl_fmtext_append_normal(owl_fmtext *f, const char *text) |
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[5789230] | 86 | { |
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[8fa9562] | 87 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 88 | } |
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| 89 | |
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[1490327] | 90 | /* Append normal, uncolored text specified by format string to 'f' */ |
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[e19eb97] | 91 | void owl_fmtext_appendf_normal(owl_fmtext *f, const char *fmt, ...) |
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[1490327] | 92 | { |
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| 93 | va_list ap; |
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| 94 | char *buff; |
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| 95 | |
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| 96 | va_start(ap, fmt); |
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| 97 | buff = g_strdup_vprintf(fmt, ap); |
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| 98 | va_end(ap); |
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| 99 | if (!buff) |
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| 100 | return; |
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| 101 | owl_fmtext_append_attr(f, buff, OWL_FMTEXT_ATTR_NONE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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| 102 | } |
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| 103 | |
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[b2b0773] | 104 | /* Append normal text 'text' to 'f' with color 'color' */ |
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[e19eb97] | 105 | void owl_fmtext_append_normal_color(owl_fmtext *f, const char *text, int fgcolor, int bgcolor) |
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[5789230] | 106 | { |
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[8fa9562] | 107 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_NONE, fgcolor, bgcolor); |
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[7d4fbcd] | 108 | } |
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| 109 | |
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[b2b0773] | 110 | /* Append bold text 'text' to 'f' */ |
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[e19eb97] | 111 | void owl_fmtext_append_bold(owl_fmtext *f, const char *text) |
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[5789230] | 112 | { |
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[8fa9562] | 113 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 114 | } |
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| 115 | |
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[b2b0773] | 116 | /* Append reverse video text 'text' to 'f' */ |
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[e19eb97] | 117 | void owl_fmtext_append_reverse(owl_fmtext *f, const char *text) |
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[5789230] | 118 | { |
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[8fa9562] | 119 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 120 | } |
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| 121 | |
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[b2b0773] | 122 | /* Append reversed and bold, uncolored text 'text' to 'f' */ |
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[e19eb97] | 123 | void owl_fmtext_append_reversebold(owl_fmtext *f, const char *text) |
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[5789230] | 124 | { |
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[8fa9562] | 125 | owl_fmtext_append_attr(f, text, OWL_FMTEXT_ATTR_REVERSE | OWL_FMTEXT_ATTR_BOLD, OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT); |
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[7d4fbcd] | 126 | } |
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| 127 | |
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[9866c3a] | 128 | /* Add the attribute 'attr' to the default atts for the text in 'f' */ |
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| 129 | void owl_fmtext_addattr(owl_fmtext *f, char attr) |
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[5789230] | 130 | { |
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[7d4fbcd] | 131 | /* add the attribute to all text */ |
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[9866c3a] | 132 | f->default_attrs |= attr; |
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[7d4fbcd] | 133 | } |
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| 134 | |
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[9866c3a] | 135 | /* Set the default foreground color for this fmtext to 'color'. |
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| 136 | * Only affects text that is colored default. |
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[b2b0773] | 137 | */ |
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[5789230] | 138 | void owl_fmtext_colorize(owl_fmtext *f, int color) |
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| 139 | { |
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[9866c3a] | 140 | f->default_fgcolor = color; |
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[8fa9562] | 141 | } |
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| 142 | |
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[9866c3a] | 143 | /* Set the default foreground color for this fmtext to 'color'. |
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| 144 | * Only affects text that is colored default. |
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| 145 | */ |
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[8fa9562] | 146 | void owl_fmtext_colorizebg(owl_fmtext *f, int color) |
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| 147 | { |
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[9866c3a] | 148 | f->default_bgcolor = color; |
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| 149 | } |
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[7d4fbcd] | 150 | |
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[9866c3a] | 151 | /* Internal function. Parse attrbute character. */ |
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| 152 | void _owl_fmtext_update_attributes(gunichar c, char *attr, short *fgcolor, short *bgcolor) /*noproto*/ |
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| 153 | { |
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| 154 | if ((c & OWL_FMTEXT_UC_ATTR) == OWL_FMTEXT_UC_ATTR) { |
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| 155 | *attr = c & OWL_FMTEXT_UC_ATTR_MASK; |
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| 156 | } |
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[6f6330b] | 157 | else if ((c & OWL_FMTEXT_UC_COLOR_BASE) == OWL_FMTEXT_UC_COLOR_BASE) { |
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| 158 | if ((c & OWL_FMTEXT_UC_BGCOLOR) == OWL_FMTEXT_UC_BGCOLOR) { |
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| 159 | *bgcolor = (c == OWL_FMTEXT_UC_BGDEFAULT |
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| 160 | ? OWL_COLOR_DEFAULT |
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| 161 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
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| 162 | } |
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| 163 | else if ((c & OWL_FMTEXT_UC_FGCOLOR) == OWL_FMTEXT_UC_FGCOLOR) { |
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| 164 | *fgcolor = (c == OWL_FMTEXT_UC_FGDEFAULT |
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| 165 | ? OWL_COLOR_DEFAULT |
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| 166 | : c & OWL_FMTEXT_UC_COLOR_MASK); |
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| 167 | } |
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[7d4fbcd] | 168 | } |
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| 169 | } |
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| 170 | |
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[9866c3a] | 171 | /* Internal function. Scan for attribute characters. */ |
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[075ba92] | 172 | void _owl_fmtext_scan_attributes(const owl_fmtext *f, int start, char *attr, short *fgcolor, short *bgcolor) /*noproto*/ |
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[9866c3a] | 173 | { |
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[e19eb97] | 174 | const char *p; |
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[9866c3a] | 175 | p = strchr(f->textbuff, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 176 | while (p && p < f->textbuff + start) { |
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| 177 | _owl_fmtext_update_attributes(g_utf8_get_char(p), attr, fgcolor, bgcolor); |
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| 178 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 179 | } |
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| 180 | } |
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| 181 | |
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[b2b0773] | 182 | /* Internal function. Append text from 'in' between index 'start' and |
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[db1af5f] | 183 | * 'stop', inclusive, to the end of 'f'. This function works with |
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| 184 | * bytes. |
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[b2b0773] | 185 | */ |
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[075ba92] | 186 | void _owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in, int start, int stop) /*noproto*/ |
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[9866c3a] | 187 | { |
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| 188 | char attrbuff[6]; |
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| 189 | int newlen, a = 0, fg = 0, bg = 0; |
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| 190 | char attr = 0; |
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| 191 | short fgcolor = OWL_COLOR_DEFAULT; |
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| 192 | short bgcolor = OWL_COLOR_DEFAULT; |
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| 193 | |
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| 194 | _owl_fmtext_scan_attributes(in, start, &attr, &fgcolor, &bgcolor); |
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| 195 | if (attr != OWL_FMTEXT_ATTR_NONE) a=1; |
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| 196 | if (fgcolor != OWL_COLOR_DEFAULT) fg=1; |
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| 197 | if (bgcolor != OWL_COLOR_DEFAULT) bg=1; |
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| 198 | |
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| 199 | /* We will reset to defaults after appending the text. We may need |
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| 200 | to set initial attributes. */ |
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| 201 | newlen=strlen(f->textbuff)+(stop-start+1) + (4 * (a + fg + bg)) + 12; |
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[a387d12e] | 202 | _owl_fmtext_realloc(f, newlen); |
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[7d4fbcd] | 203 | |
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[9866c3a] | 204 | if (a) { |
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| 205 | memset(attrbuff,0,6); |
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| 206 | g_unichar_to_utf8(OWL_FMTEXT_UC_ATTR | attr, attrbuff); |
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| 207 | strcat(f->textbuff, attrbuff); |
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| 208 | } |
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| 209 | if (fg) { |
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| 210 | memset(attrbuff,0,6); |
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| 211 | g_unichar_to_utf8(OWL_FMTEXT_UC_FGCOLOR | fgcolor, attrbuff); |
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| 212 | strcat(f->textbuff, attrbuff); |
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| 213 | } |
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| 214 | if (bg) { |
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| 215 | memset(attrbuff,0,6); |
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| 216 | g_unichar_to_utf8(OWL_FMTEXT_UC_BGCOLOR | bgcolor, attrbuff); |
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| 217 | strcat(f->textbuff, attrbuff); |
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| 218 | } |
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| 219 | |
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[7d4fbcd] | 220 | strncat(f->textbuff, in->textbuff+start, stop-start+1); |
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[9866c3a] | 221 | |
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| 222 | /* Reset attributes */ |
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| 223 | strcat(f->textbuff, OWL_FMTEXT_UTF8_BGDEFAULT); |
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| 224 | strcat(f->textbuff, OWL_FMTEXT_UTF8_FGDEFAULT); |
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| 225 | strcat(f->textbuff, OWL_FMTEXT_UTF8_ATTR_NONE); |
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| 226 | |
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[7d4fbcd] | 227 | f->textbuff[newlen]='\0'; |
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| 228 | f->textlen=newlen; |
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| 229 | } |
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| 230 | |
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[b2b0773] | 231 | /* append fmtext 'in' to 'f' */ |
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[075ba92] | 232 | void owl_fmtext_append_fmtext(owl_fmtext *f, const owl_fmtext *in) |
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[5789230] | 233 | { |
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| 234 | _owl_fmtext_append_fmtext(f, in, 0, in->textlen); |
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| 235 | |
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| 236 | } |
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| 237 | |
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[b2b0773] | 238 | /* Append 'nspaces' number of spaces to the end of 'f' */ |
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[5789230] | 239 | void owl_fmtext_append_spaces(owl_fmtext *f, int nspaces) |
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| 240 | { |
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[7d4fbcd] | 241 | int i; |
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| 242 | for (i=0; i<nspaces; i++) { |
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| 243 | owl_fmtext_append_normal(f, " "); |
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| 244 | } |
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| 245 | } |
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| 246 | |
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[b2b0773] | 247 | /* Return a plain version of the fmtext. Caller is responsible for |
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| 248 | * freeing the return |
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| 249 | */ |
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[075ba92] | 250 | char *owl_fmtext_print_plain(const owl_fmtext *f) |
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[5789230] | 251 | { |
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[5376a95] | 252 | return owl_strip_format_chars(f->textbuff); |
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[e1c4636] | 253 | } |
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| 254 | |
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[9866c3a] | 255 | void _owl_fmtext_wattrset(WINDOW *w, int attrs) /*noproto*/ |
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| 256 | { |
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| 257 | wattrset(w, A_NORMAL); |
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| 258 | if (attrs & OWL_FMTEXT_ATTR_BOLD) wattron(w, A_BOLD); |
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| 259 | if (attrs & OWL_FMTEXT_ATTR_REVERSE) wattron(w, A_REVERSE); |
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| 260 | if (attrs & OWL_FMTEXT_ATTR_UNDERLINE) wattron(w, A_UNDERLINE); |
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| 261 | } |
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[16c6cca] | 262 | |
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| 263 | void _owl_fmtext_update_colorpair(short fg, short bg, short *pair) /*noproto*/ |
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| 264 | { |
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| 265 | if (owl_global_get_hascolors(&g)) { |
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| 266 | *pair = owl_fmtext_get_colorpair(fg, bg); |
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| 267 | } |
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| 268 | } |
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| 269 | |
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| 270 | void _owl_fmtext_wcolor_set(WINDOW *w, short pair) /*noproto*/ |
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| 271 | { |
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| 272 | if (owl_global_get_hascolors(&g)) { |
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| 273 | wcolor_set(w,pair,NULL); |
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[39cff48] | 274 | wbkgdset(w, COLOR_PAIR(pair)); |
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[16c6cca] | 275 | } |
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| 276 | } |
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| 277 | |
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[b2b0773] | 278 | /* add the formatted text to the curses window 'w'. The window 'w' |
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| 279 | * must already be initiatlized with curses |
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| 280 | */ |
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[075ba92] | 281 | void _owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w, int do_search) /*noproto*/ |
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[9866c3a] | 282 | { |
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| 283 | /* char *tmpbuff; */ |
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| 284 | /* int position, trans1, trans2, trans3, len, lastsame; */ |
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| 285 | char *s, *p; |
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| 286 | char attr; |
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[16c6cca] | 287 | short fg, bg, pair; |
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[9866c3a] | 288 | |
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[f2f9314] | 289 | if (w==NULL) { |
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| 290 | owl_function_debugmsg("Hit a null window in owl_fmtext_curs_waddstr."); |
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| 291 | return; |
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| 292 | } |
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| 293 | |
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[9866c3a] | 294 | s = f->textbuff; |
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| 295 | /* Set default attributes. */ |
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| 296 | attr = f->default_attrs; |
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| 297 | fg = f->default_fgcolor; |
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| 298 | bg = f->default_bgcolor; |
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| 299 | _owl_fmtext_wattrset(w, attr); |
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[16c6cca] | 300 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
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| 301 | _owl_fmtext_wcolor_set(w, pair); |
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[7d4fbcd] | 302 | |
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[9866c3a] | 303 | /* Find next possible format character. */ |
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| 304 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 305 | while(p) { |
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[c1522ec] | 306 | if (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
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[9866c3a] | 307 | /* Deal with all text from last insert to here. */ |
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| 308 | char tmp; |
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| 309 | |
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| 310 | tmp = p[0]; |
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| 311 | p[0] = '\0'; |
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[41c9a96] | 312 | if (owl_global_is_search_active(&g)) { |
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[9866c3a] | 313 | /* Search is active, so highlight search results. */ |
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[41c9a96] | 314 | char tmp2; |
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| 315 | int start, end; |
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| 316 | while (owl_regex_compare(owl_global_get_search_re(&g), s, &start, &end) == 0) { |
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[9866c3a] | 317 | /* Found search string, highlight it. */ |
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| 318 | |
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[41c9a96] | 319 | tmp2 = s[start]; |
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| 320 | s[start] = '\0'; |
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[9866c3a] | 321 | waddstr(w, s); |
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[41c9a96] | 322 | s[start] = tmp2; |
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[9866c3a] | 323 | |
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[987a93c] | 324 | _owl_fmtext_wattrset(w, attr ^ OWL_FMTEXT_ATTR_REVERSE); |
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[16c6cca] | 325 | _owl_fmtext_wcolor_set(w, pair); |
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| 326 | |
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[41c9a96] | 327 | tmp2 = s[end]; |
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| 328 | s[end] = '\0'; |
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| 329 | waddstr(w, s + start); |
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| 330 | s[end] = tmp2; |
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[9866c3a] | 331 | |
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[16c6cca] | 332 | _owl_fmtext_wattrset(w, attr); |
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| 333 | _owl_fmtext_wcolor_set(w, pair); |
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[9866c3a] | 334 | |
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[41c9a96] | 335 | s += end; |
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[9866c3a] | 336 | } |
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| 337 | } |
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| 338 | /* Deal with remaining part of string. */ |
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| 339 | waddstr(w, s); |
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| 340 | p[0] = tmp; |
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| 341 | |
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| 342 | /* Deal with new attributes. Initialize to defaults, then |
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| 343 | process all consecutive formatting characters. */ |
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| 344 | attr = f->default_attrs; |
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| 345 | fg = f->default_fgcolor; |
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| 346 | bg = f->default_bgcolor; |
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[f119757] | 347 | while (owl_fmtext_is_format_char(g_utf8_get_char(p))) { |
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[9866c3a] | 348 | _owl_fmtext_update_attributes(g_utf8_get_char(p), &attr, &fg, &bg); |
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| 349 | p = g_utf8_next_char(p); |
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[7d4fbcd] | 350 | } |
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[9866c3a] | 351 | _owl_fmtext_wattrset(w, attr | f->default_attrs); |
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[16c6cca] | 352 | if (fg == OWL_COLOR_DEFAULT) fg = f->default_fgcolor; |
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| 353 | if (bg == OWL_COLOR_DEFAULT) bg = f->default_bgcolor; |
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| 354 | _owl_fmtext_update_colorpair(fg, bg, &pair); |
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| 355 | _owl_fmtext_wcolor_set(w, pair); |
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| 356 | |
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[9866c3a] | 357 | /* Advance to next non-formatting character. */ |
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| 358 | s = p; |
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| 359 | p = strchr(s, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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| 360 | } |
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| 361 | else { |
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| 362 | p = strchr(p+1, OWL_FMTEXT_UC_STARTBYTE_UTF8); |
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[7d4fbcd] | 363 | } |
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| 364 | } |
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[9866c3a] | 365 | if (s) { |
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| 366 | waddstr(w, s); |
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| 367 | } |
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[39cff48] | 368 | wbkgdset(w, 0); |
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[7d4fbcd] | 369 | } |
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| 370 | |
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[075ba92] | 371 | void owl_fmtext_curs_waddstr(const owl_fmtext *f, WINDOW *w) |
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[47519e1b] | 372 | { |
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| 373 | _owl_fmtext_curs_waddstr(f, w, owl_global_is_search_active(&g)); |
---|
| 374 | } |
---|
| 375 | |
---|
[075ba92] | 376 | void owl_fmtext_curs_waddstr_without_search(const owl_fmtext *f, WINDOW *w) |
---|
[47519e1b] | 377 | { |
---|
| 378 | _owl_fmtext_curs_waddstr(f, w, 0); |
---|
| 379 | } |
---|
[7d4fbcd] | 380 | |
---|
[b2b0773] | 381 | /* start with line 'aline' (where the first line is 0) and print |
---|
| 382 | * 'lines' number of lines into 'out' |
---|
| 383 | */ |
---|
[075ba92] | 384 | int owl_fmtext_truncate_lines(const owl_fmtext *in, int aline, int lines, owl_fmtext *out) |
---|
[5789230] | 385 | { |
---|
[e19eb97] | 386 | const char *ptr1, *ptr2; |
---|
[7d4fbcd] | 387 | int i, offset; |
---|
| 388 | |
---|
| 389 | /* find the starting line */ |
---|
[9866c3a] | 390 | ptr1 = in->textbuff; |
---|
| 391 | for (i = 0; i < aline; i++) { |
---|
| 392 | ptr1 = strchr(ptr1, '\n'); |
---|
| 393 | if (!ptr1) return(-1); |
---|
| 394 | ptr1++; |
---|
[7d4fbcd] | 395 | } |
---|
[9866c3a] | 396 | |
---|
[7d4fbcd] | 397 | /* ptr1 now holds the starting point */ |
---|
| 398 | |
---|
[c55ad84] | 399 | /* copy the default attributes */ |
---|
| 400 | out->default_attrs = in->default_attrs; |
---|
| 401 | out->default_fgcolor = in->default_fgcolor; |
---|
| 402 | out->default_bgcolor = in->default_bgcolor; |
---|
| 403 | |
---|
[7d4fbcd] | 404 | /* copy in the next 'lines' lines */ |
---|
[9866c3a] | 405 | if (lines < 1) return(-1); |
---|
[7d4fbcd] | 406 | |
---|
[9866c3a] | 407 | for (i = 0; i < lines; i++) { |
---|
| 408 | offset = ptr1 - in->textbuff; |
---|
| 409 | ptr2 = strchr(ptr1, '\n'); |
---|
[7d4fbcd] | 410 | if (!ptr2) { |
---|
[9866c3a] | 411 | _owl_fmtext_append_fmtext(out, in, offset, (in->textlen) - 1); |
---|
[7d4fbcd] | 412 | return(-1); |
---|
| 413 | } |
---|
[9866c3a] | 414 | _owl_fmtext_append_fmtext(out, in, offset, (ptr2 - ptr1) + offset); |
---|
| 415 | ptr1 = ptr2 + 1; |
---|
[7d4fbcd] | 416 | } |
---|
| 417 | return(0); |
---|
| 418 | } |
---|
| 419 | |
---|
[b2b0773] | 420 | /* Truncate the message so that each line begins at column 'acol' and |
---|
| 421 | * ends at 'bcol' or sooner. The first column is number 0. The new |
---|
[dd6af02] | 422 | * message is placed in 'out'. The message is expected to end in a |
---|
| 423 | * new line for now. |
---|
[7b4d90e] | 424 | * |
---|
| 425 | * NOTE: This needs to be modified to deal with backing up if we find |
---|
[fb2f9ab] | 426 | * a SPACING COMBINING MARK at the end of a line. If that happens, we |
---|
| 427 | * should back up to the last non-mark character and stop there. |
---|
[7b4d90e] | 428 | * |
---|
| 429 | * NOTE: If a line ends at bcol, we omit the newline. This is so printing |
---|
| 430 | * to ncurses works. |
---|
[b2b0773] | 431 | */ |
---|
[075ba92] | 432 | void owl_fmtext_truncate_cols(const owl_fmtext *in, int acol, int bcol, owl_fmtext *out) |
---|
[5789230] | 433 | { |
---|
[e19eb97] | 434 | const char *ptr_s, *ptr_e, *ptr_c, *last; |
---|
[9866c3a] | 435 | int col, st, padding, chwidth; |
---|
[7d4fbcd] | 436 | |
---|
[c55ad84] | 437 | /* copy the default attributes */ |
---|
| 438 | out->default_attrs = in->default_attrs; |
---|
| 439 | out->default_fgcolor = in->default_fgcolor; |
---|
| 440 | out->default_bgcolor = in->default_bgcolor; |
---|
| 441 | |
---|
[7d4fbcd] | 442 | last=in->textbuff+in->textlen-1; |
---|
[28ee32b] | 443 | ptr_s=in->textbuff; |
---|
[9866c3a] | 444 | while (ptr_s <= last) { |
---|
[28ee32b] | 445 | ptr_e=strchr(ptr_s, '\n'); |
---|
| 446 | if (!ptr_e) { |
---|
[dd6af02] | 447 | /* but this shouldn't happen if we end in a \n */ |
---|
| 448 | break; |
---|
[7d4fbcd] | 449 | } |
---|
| 450 | |
---|
[9866c3a] | 451 | if (ptr_e == ptr_s) { |
---|
[7d4fbcd] | 452 | owl_fmtext_append_normal(out, "\n"); |
---|
[9866c3a] | 453 | ++ptr_s; |
---|
[7d4fbcd] | 454 | continue; |
---|
| 455 | } |
---|
| 456 | |
---|
[28ee32b] | 457 | col = 0; |
---|
[9866c3a] | 458 | st = 0; |
---|
[dd24b6a] | 459 | padding = 0; |
---|
[47519e1b] | 460 | chwidth = 0; |
---|
[28ee32b] | 461 | ptr_c = ptr_s; |
---|
[3a7cf49] | 462 | while(ptr_c < ptr_e) { |
---|
[28ee32b] | 463 | gunichar c = g_utf8_get_char(ptr_c); |
---|
[c1522ec] | 464 | if (!owl_fmtext_is_format_char(c)) { |
---|
[47519e1b] | 465 | chwidth = mk_wcwidth(c); |
---|
[3a7cf49] | 466 | if (col + chwidth > bcol) break; |
---|
| 467 | |
---|
[9866c3a] | 468 | if (col >= acol) { |
---|
| 469 | if (st == 0) { |
---|
| 470 | ptr_s = ptr_c; |
---|
| 471 | padding = col - acol; |
---|
| 472 | ++st; |
---|
| 473 | } |
---|
[dd24b6a] | 474 | } |
---|
[9866c3a] | 475 | col += chwidth; |
---|
| 476 | chwidth = 0; |
---|
[28ee32b] | 477 | } |
---|
[9866c3a] | 478 | ptr_c = g_utf8_next_char(ptr_c); |
---|
[dd24b6a] | 479 | } |
---|
[9866c3a] | 480 | if (st) { |
---|
| 481 | /* lead padding */ |
---|
| 482 | owl_fmtext_append_spaces(out, padding); |
---|
[3a7cf49] | 483 | if (ptr_c == ptr_e) { |
---|
| 484 | /* We made it to the newline. */ |
---|
| 485 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff); |
---|
[9866c3a] | 486 | } |
---|
[db1af5f] | 487 | else if (chwidth > 1) { |
---|
| 488 | /* Last char is wide, truncate. */ |
---|
| 489 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1); |
---|
| 490 | owl_fmtext_append_normal(out, "\n"); |
---|
| 491 | } |
---|
[9866c3a] | 492 | else { |
---|
[db1af5f] | 493 | /* Last char fits perfectly, We skip to the next char and back |
---|
| 494 | * up a byte to make sure we get it all. |
---|
| 495 | */ |
---|
| 496 | ptr_c = g_utf8_next_char(ptr_c); |
---|
| 497 | _owl_fmtext_append_fmtext(out, in, ptr_s - in->textbuff, ptr_c - in->textbuff - 1); |
---|
[28ee32b] | 498 | } |
---|
[dd24b6a] | 499 | } |
---|
| 500 | else { |
---|
| 501 | owl_fmtext_append_normal(out, "\n"); |
---|
[28ee32b] | 502 | } |
---|
[dd6af02] | 503 | ptr_s = g_utf8_next_char(ptr_e); |
---|
[7d4fbcd] | 504 | } |
---|
| 505 | } |
---|
| 506 | |
---|
[b2b0773] | 507 | /* Return the number of lines in 'f' */ |
---|
[075ba92] | 508 | int owl_fmtext_num_lines(const owl_fmtext *f) |
---|
[5789230] | 509 | { |
---|
[7d4fbcd] | 510 | int lines, i; |
---|
| 511 | |
---|
[af2ca19] | 512 | if (f->textlen==0) return(0); |
---|
| 513 | |
---|
[7d4fbcd] | 514 | lines=0; |
---|
[af2ca19] | 515 | for (i=0; i<f->textlen; i++) { |
---|
[7d4fbcd] | 516 | if (f->textbuff[i]=='\n') lines++; |
---|
| 517 | } |
---|
| 518 | |
---|
| 519 | /* if the last char wasn't a \n there's one more line */ |
---|
| 520 | if (f->textbuff[i-1]!='\n') lines++; |
---|
| 521 | |
---|
| 522 | return(lines); |
---|
| 523 | } |
---|
| 524 | |
---|
[075ba92] | 525 | const char *owl_fmtext_get_text(const owl_fmtext *f) |
---|
[5789230] | 526 | { |
---|
[7d4fbcd] | 527 | return(f->textbuff); |
---|
| 528 | } |
---|
| 529 | |
---|
[a0a5179] | 530 | /* set the charater at 'index' to be 'char'. If index is out of |
---|
[9866c3a] | 531 | * bounds don't do anything. If c or char at index is not ASCII, don't |
---|
| 532 | * do anything because it's not UTF-8 safe. */ |
---|
| 533 | void owl_fmtext_set_char(owl_fmtext *f, int index, char ch) |
---|
[5789230] | 534 | { |
---|
[4b464a4] | 535 | if ((index < 0) || (index > f->textlen-1)) return; |
---|
[9866c3a] | 536 | /* NOT ASCII*/ |
---|
| 537 | if (f->textbuff[index] & 0x80 || ch & 0x80) return; |
---|
[4b464a4] | 538 | f->textbuff[index]=ch; |
---|
| 539 | } |
---|
| 540 | |
---|
[b2b0773] | 541 | /* Make a copy of the fmtext 'src' into 'dst' */ |
---|
[075ba92] | 542 | void owl_fmtext_copy(owl_fmtext *dst, const owl_fmtext *src) |
---|
[5789230] | 543 | { |
---|
[b2b0773] | 544 | int mallocsize; |
---|
| 545 | |
---|
| 546 | if (src->textlen==0) { |
---|
| 547 | mallocsize=5; |
---|
| 548 | } else { |
---|
| 549 | mallocsize=src->textlen+2; |
---|
| 550 | } |
---|
[7d4fbcd] | 551 | dst->textlen=src->textlen; |
---|
[005fc22] | 552 | dst->bufflen=mallocsize; |
---|
[bd3f232] | 553 | dst->textbuff=owl_malloc(mallocsize); |
---|
[6bf73ce] | 554 | memcpy(dst->textbuff, src->textbuff, src->textlen+1); |
---|
[9866c3a] | 555 | dst->default_attrs = src->default_attrs; |
---|
| 556 | dst->default_fgcolor = src->default_fgcolor; |
---|
| 557 | dst->default_bgcolor = src->default_bgcolor; |
---|
[1fd0b25] | 558 | } |
---|
| 559 | |
---|
[b2b0773] | 560 | /* return 1 if the string is found, 0 if not. This is a case |
---|
| 561 | * insensitive search. |
---|
[5789230] | 562 | */ |
---|
[89b2daf] | 563 | int owl_fmtext_search(const owl_fmtext *f, const owl_regex *re) |
---|
[5789230] | 564 | { |
---|
[41c9a96] | 565 | if (owl_regex_compare(re, f->textbuff, NULL, NULL) == 0) return(1); |
---|
[1fd0b25] | 566 | return(0); |
---|
| 567 | } |
---|
[12c35df] | 568 | |
---|
| 569 | |
---|
| 570 | /* Append the text 'text' to 'f' and interpret the zephyr style |
---|
| 571 | * formatting syntax to set appropriate attributes. |
---|
| 572 | */ |
---|
[e19eb97] | 573 | void owl_fmtext_append_ztext(owl_fmtext *f, const char *text) |
---|
[12c35df] | 574 | { |
---|
| 575 | int stacksize, curattrs, curcolor; |
---|
[e19eb97] | 576 | const char *ptr, *txtptr, *tmpptr; |
---|
[65b2173] | 577 | char *buff; |
---|
[d754b0a] | 578 | int attrstack[32], chrstack[32], colorstack[32]; |
---|
[12c35df] | 579 | |
---|
| 580 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
| 581 | curcolor=OWL_COLOR_DEFAULT; |
---|
| 582 | stacksize=0; |
---|
| 583 | txtptr=text; |
---|
| 584 | while (1) { |
---|
| 585 | ptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 586 | if (!ptr) { |
---|
| 587 | /* add all the rest of the text and exit */ |
---|
[8fa9562] | 588 | owl_fmtext_append_attr(f, txtptr, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 589 | return; |
---|
| 590 | } else if (ptr[0]=='@') { |
---|
| 591 | /* add the text up to this point then deal with the stack */ |
---|
| 592 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 593 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 594 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 595 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 596 | owl_free(buff); |
---|
| 597 | |
---|
| 598 | /* update pointer to point at the @ */ |
---|
| 599 | txtptr=ptr; |
---|
| 600 | |
---|
| 601 | /* now the stack */ |
---|
| 602 | |
---|
| 603 | /* if we've hit our max stack depth, print the @ and move on */ |
---|
| 604 | if (stacksize==32) { |
---|
[1bdffcb] | 605 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 606 | txtptr++; |
---|
| 607 | continue; |
---|
[12c35df] | 608 | } |
---|
| 609 | |
---|
| 610 | /* if it's an @@, print an @ and continue */ |
---|
| 611 | if (txtptr[1]=='@') { |
---|
[1bdffcb] | 612 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 613 | txtptr+=2; |
---|
| 614 | continue; |
---|
[12c35df] | 615 | } |
---|
[1bdffcb] | 616 | |
---|
[12c35df] | 617 | /* if there's no opener, print the @ and continue */ |
---|
| 618 | tmpptr=strpbrk(txtptr, "(<[{ "); |
---|
| 619 | if (!tmpptr || tmpptr[0]==' ') { |
---|
[1bdffcb] | 620 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 621 | txtptr++; |
---|
| 622 | continue; |
---|
[12c35df] | 623 | } |
---|
| 624 | |
---|
| 625 | /* check what command we've got, push it on the stack, start |
---|
[1bdffcb] | 626 | using it, and continue ... unless it's a color command */ |
---|
[12c35df] | 627 | buff=owl_malloc(tmpptr-ptr+20); |
---|
| 628 | strncpy(buff, ptr, tmpptr-ptr); |
---|
| 629 | buff[tmpptr-ptr]='\0'; |
---|
| 630 | if (!strcasecmp(buff, "@bold")) { |
---|
[1bdffcb] | 631 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 632 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 633 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 634 | stacksize++; |
---|
| 635 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 636 | txtptr+=6; |
---|
| 637 | owl_free(buff); |
---|
| 638 | continue; |
---|
[12c35df] | 639 | } else if (!strcasecmp(buff, "@b")) { |
---|
[1bdffcb] | 640 | attrstack[stacksize]=OWL_FMTEXT_ATTR_BOLD; |
---|
| 641 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 642 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 643 | stacksize++; |
---|
| 644 | curattrs|=OWL_FMTEXT_ATTR_BOLD; |
---|
| 645 | txtptr+=3; |
---|
| 646 | owl_free(buff); |
---|
| 647 | continue; |
---|
[12c35df] | 648 | } else if (!strcasecmp(buff, "@i")) { |
---|
[1bdffcb] | 649 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 650 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 651 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 652 | stacksize++; |
---|
| 653 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 654 | txtptr+=3; |
---|
| 655 | owl_free(buff); |
---|
| 656 | continue; |
---|
[12c35df] | 657 | } else if (!strcasecmp(buff, "@italic")) { |
---|
[1bdffcb] | 658 | attrstack[stacksize]=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 659 | chrstack[stacksize]=tmpptr[0]; |
---|
[d754b0a] | 660 | colorstack[stacksize]=curcolor; |
---|
[1bdffcb] | 661 | stacksize++; |
---|
| 662 | curattrs|=OWL_FMTEXT_ATTR_UNDERLINE; |
---|
| 663 | txtptr+=8; |
---|
| 664 | owl_free(buff); |
---|
| 665 | continue; |
---|
[d754b0a] | 666 | } else if (!strcasecmp(buff, "@")) { |
---|
| 667 | attrstack[stacksize]=OWL_FMTEXT_ATTR_NONE; |
---|
| 668 | chrstack[stacksize]=tmpptr[0]; |
---|
| 669 | colorstack[stacksize]=curcolor; |
---|
| 670 | stacksize++; |
---|
| 671 | txtptr+=2; |
---|
| 672 | owl_free(buff); |
---|
| 673 | continue; |
---|
[1bdffcb] | 674 | |
---|
| 675 | /* if it's a color read the color, set the current color and |
---|
[12c35df] | 676 | continue */ |
---|
| 677 | } else if (!strcasecmp(buff, "@color") |
---|
[1bdffcb] | 678 | && owl_global_get_hascolors(&g) |
---|
| 679 | && owl_global_is_colorztext(&g)) { |
---|
| 680 | owl_free(buff); |
---|
| 681 | txtptr+=7; |
---|
| 682 | tmpptr=strpbrk(txtptr, "@{[<()>]}"); |
---|
| 683 | if (tmpptr && |
---|
| 684 | ((txtptr[-1]=='(' && tmpptr[0]==')') || |
---|
| 685 | (txtptr[-1]=='<' && tmpptr[0]=='>') || |
---|
| 686 | (txtptr[-1]=='[' && tmpptr[0]==']') || |
---|
| 687 | (txtptr[-1]=='{' && tmpptr[0]=='}'))) { |
---|
| 688 | |
---|
| 689 | /* grab the color name */ |
---|
| 690 | buff=owl_malloc(tmpptr-txtptr+20); |
---|
| 691 | strncpy(buff, txtptr, tmpptr-txtptr); |
---|
| 692 | buff[tmpptr-txtptr]='\0'; |
---|
| 693 | |
---|
| 694 | /* set it as the current color */ |
---|
| 695 | curcolor=owl_util_string_to_color(buff); |
---|
| 696 | if (curcolor==-1) curcolor=OWL_COLOR_DEFAULT; |
---|
| 697 | owl_free(buff); |
---|
| 698 | txtptr=tmpptr+1; |
---|
| 699 | continue; |
---|
| 700 | |
---|
| 701 | } else { |
---|
| 702 | |
---|
| 703 | } |
---|
[12c35df] | 704 | |
---|
| 705 | } else { |
---|
[1bdffcb] | 706 | /* if we didn't understand it, we'll print it. This is different from zwgc |
---|
| 707 | * but zwgc seems to be smarter about some screw cases than I am |
---|
| 708 | */ |
---|
| 709 | owl_fmtext_append_attr(f, "@", curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 710 | txtptr++; |
---|
| 711 | continue; |
---|
[12c35df] | 712 | } |
---|
| 713 | |
---|
| 714 | } else if (ptr[0]=='}' || ptr[0]==']' || ptr[0]==')' || ptr[0]=='>') { |
---|
| 715 | /* add the text up to this point first */ |
---|
| 716 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 717 | strncpy(buff, txtptr, ptr-txtptr); |
---|
| 718 | buff[ptr-txtptr]='\0'; |
---|
[8fa9562] | 719 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 720 | owl_free(buff); |
---|
| 721 | |
---|
| 722 | /* now deal with the closer */ |
---|
| 723 | txtptr=ptr; |
---|
| 724 | |
---|
| 725 | /* first, if the stack is empty we must bail (just print and go) */ |
---|
| 726 | if (stacksize==0) { |
---|
[1bdffcb] | 727 | buff=owl_malloc(5); |
---|
| 728 | buff[0]=ptr[0]; |
---|
| 729 | buff[1]='\0'; |
---|
| 730 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 731 | owl_free(buff); |
---|
| 732 | txtptr++; |
---|
| 733 | continue; |
---|
[12c35df] | 734 | } |
---|
| 735 | |
---|
| 736 | /* if the closing char is what's on the stack, turn off the |
---|
| 737 | attribue and pop the stack */ |
---|
| 738 | if ((ptr[0]==')' && chrstack[stacksize-1]=='(') || |
---|
[1bdffcb] | 739 | (ptr[0]=='>' && chrstack[stacksize-1]=='<') || |
---|
| 740 | (ptr[0]==']' && chrstack[stacksize-1]=='[') || |
---|
| 741 | (ptr[0]=='}' && chrstack[stacksize-1]=='{')) { |
---|
| 742 | int i; |
---|
| 743 | stacksize--; |
---|
| 744 | curattrs=OWL_FMTEXT_ATTR_NONE; |
---|
[d754b0a] | 745 | curcolor = colorstack[stacksize]; |
---|
[1bdffcb] | 746 | for (i=0; i<stacksize; i++) { |
---|
| 747 | curattrs|=attrstack[i]; |
---|
| 748 | } |
---|
| 749 | txtptr+=1; |
---|
| 750 | continue; |
---|
[12c35df] | 751 | } else { |
---|
[1bdffcb] | 752 | /* otherwise print and continue */ |
---|
| 753 | buff=owl_malloc(5); |
---|
| 754 | buff[0]=ptr[0]; |
---|
| 755 | buff[1]='\0'; |
---|
| 756 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
| 757 | owl_free(buff); |
---|
| 758 | txtptr++; |
---|
| 759 | continue; |
---|
[12c35df] | 760 | } |
---|
| 761 | } else { |
---|
| 762 | /* we've found an unattached opener, print everything and move on */ |
---|
| 763 | buff=owl_malloc(ptr-txtptr+20); |
---|
| 764 | strncpy(buff, txtptr, ptr-txtptr+1); |
---|
| 765 | buff[ptr-txtptr+1]='\0'; |
---|
[8fa9562] | 766 | owl_fmtext_append_attr(f, buff, curattrs, curcolor, OWL_COLOR_DEFAULT); |
---|
[12c35df] | 767 | owl_free(buff); |
---|
| 768 | txtptr=ptr+1; |
---|
| 769 | continue; |
---|
| 770 | } |
---|
| 771 | } |
---|
| 772 | } |
---|
[a0a5179] | 773 | |
---|
| 774 | /* requires that the list values are strings or NULL. |
---|
| 775 | * joins the elements together with join_with. |
---|
| 776 | * If format_fn is specified, passes it the list element value |
---|
| 777 | * and it will return a string which this needs to free. */ |
---|
[77bced3] | 778 | void owl_fmtext_append_list(owl_fmtext *f, const owl_list *l, const char *join_with, char *(format_fn)(const char *)) |
---|
[a0a5179] | 779 | { |
---|
| 780 | int i, size; |
---|
[e19eb97] | 781 | const char *elem; |
---|
[a0a5179] | 782 | char *text; |
---|
| 783 | |
---|
| 784 | size = owl_list_get_size(l); |
---|
| 785 | for (i=0; i<size; i++) { |
---|
[4d86e06] | 786 | elem = owl_list_get_element(l,i); |
---|
[a0a5179] | 787 | if (elem && format_fn) { |
---|
| 788 | text = format_fn(elem); |
---|
| 789 | if (text) { |
---|
[1bdffcb] | 790 | owl_fmtext_append_normal(f, text); |
---|
| 791 | owl_free(text); |
---|
[a0a5179] | 792 | } |
---|
| 793 | } else if (elem) { |
---|
| 794 | owl_fmtext_append_normal(f, elem); |
---|
| 795 | } |
---|
| 796 | if ((i < size-1) && join_with) { |
---|
| 797 | owl_fmtext_append_normal(f, join_with); |
---|
| 798 | } |
---|
| 799 | } |
---|
| 800 | } |
---|
| 801 | |
---|
| 802 | /* Free all memory allocated by the object */ |
---|
| 803 | void owl_fmtext_free(owl_fmtext *f) |
---|
| 804 | { |
---|
| 805 | if (f->textbuff) owl_free(f->textbuff); |
---|
[8fa9562] | 806 | } |
---|
| 807 | |
---|
| 808 | /*** Color Pair manager ***/ |
---|
| 809 | void owl_fmtext_init_colorpair_mgr(owl_colorpair_mgr *cpmgr) |
---|
| 810 | { |
---|
[af1920fd] | 811 | /* This could be a bitarray if we wanted to save memory. */ |
---|
[c2c5c77] | 812 | short i, j; |
---|
| 813 | cpmgr->next = 8; |
---|
| 814 | |
---|
[af1920fd] | 815 | /* The test is <= because we allocate COLORS+1 entries. */ |
---|
[c2c5c77] | 816 | cpmgr->pairs = owl_malloc((COLORS+1) * sizeof(short*)); |
---|
| 817 | for(i = 0; i <= COLORS; i++) { |
---|
| 818 | cpmgr->pairs[i] = owl_malloc((COLORS+1) * sizeof(short)); |
---|
| 819 | for(j = 0; j <= COLORS; j++) { |
---|
[8fa9562] | 820 | cpmgr->pairs[i][j] = -1; |
---|
| 821 | } |
---|
| 822 | } |
---|
[fa3290d] | 823 | if (owl_global_get_hascolors(&g)) { |
---|
| 824 | for(i = 0; i < 8; i++) { |
---|
| 825 | short fg, bg; |
---|
| 826 | if (i >= COLORS) continue; |
---|
| 827 | pair_content(i, &fg, &bg); |
---|
| 828 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
| 829 | } |
---|
[c2c5c77] | 830 | } |
---|
[a0a5179] | 831 | } |
---|
| 832 | |
---|
[8fa9562] | 833 | /* Reset used list */ |
---|
[c79a047] | 834 | void owl_fmtext_reset_colorpairs(void) |
---|
[8fa9562] | 835 | { |
---|
[fa3290d] | 836 | if (owl_global_get_hascolors(&g)) { |
---|
| 837 | short i, j; |
---|
| 838 | owl_colorpair_mgr *cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 839 | cpmgr->next = 8; |
---|
| 840 | |
---|
[af1920fd] | 841 | /* The test is <= because we allocated COLORS+1 entries. */ |
---|
[fa3290d] | 842 | for(i = 0; i <= COLORS; i++) { |
---|
| 843 | for(j = 0; j <= COLORS; j++) { |
---|
| 844 | cpmgr->pairs[i][j] = -1; |
---|
| 845 | } |
---|
| 846 | } |
---|
| 847 | for(i = 0; i < 8; i++) { |
---|
| 848 | short fg, bg; |
---|
| 849 | if (i >= COLORS) continue; |
---|
| 850 | pair_content(i, &fg, &bg); |
---|
| 851 | cpmgr->pairs[fg+1][bg+1] = i; |
---|
[eeeef20] | 852 | } |
---|
[c2c5c77] | 853 | } |
---|
[8fa9562] | 854 | } |
---|
| 855 | |
---|
| 856 | /* Assign pairs by request */ |
---|
[1bdffcb] | 857 | short owl_fmtext_get_colorpair(int fg, int bg) |
---|
[8fa9562] | 858 | { |
---|
| 859 | owl_colorpair_mgr *cpmgr; |
---|
[801b7ac] | 860 | short pair, default_bg; |
---|
[1bdffcb] | 861 | |
---|
[1b737a1] | 862 | /* Sanity (Bounds) Check */ |
---|
| 863 | if (fg > COLORS || fg < OWL_COLOR_DEFAULT) fg = OWL_COLOR_DEFAULT; |
---|
| 864 | if (bg > COLORS || bg < OWL_COLOR_DEFAULT) bg = OWL_COLOR_DEFAULT; |
---|
| 865 | |
---|
[1bdffcb] | 866 | #ifdef HAVE_USE_DEFAULT_COLORS |
---|
[8fa9562] | 867 | if (fg == OWL_COLOR_DEFAULT) fg = -1; |
---|
[1bdffcb] | 868 | default_bg = OWL_COLOR_DEFAULT; |
---|
| 869 | #else |
---|
| 870 | if (fg == OWL_COLOR_DEFAULT) fg = 0; |
---|
| 871 | if (bg == OWL_COLOR_DEFAULT) bg = 0; |
---|
| 872 | default_bg = COLOR_BLACK; |
---|
| 873 | #endif |
---|
| 874 | |
---|
[af1920fd] | 875 | /* looking for a pair we already set up for this draw. */ |
---|
[c2c5c77] | 876 | cpmgr = owl_global_get_colorpair_mgr(&g); |
---|
| 877 | pair = cpmgr->pairs[fg+1][bg+1]; |
---|
| 878 | if (!(pair != -1 && pair < cpmgr->next)) { |
---|
[af1920fd] | 879 | /* If we didn't find a pair, search for a free one to assign. */ |
---|
[c2c5c77] | 880 | pair = (cpmgr->next < COLOR_PAIRS) ? cpmgr->next : -1; |
---|
| 881 | if (pair != -1) { |
---|
[af1920fd] | 882 | /* We found a free pair, initialize it. */ |
---|
[c2c5c77] | 883 | init_pair(pair, fg, bg); |
---|
| 884 | cpmgr->pairs[fg+1][bg+1] = pair; |
---|
| 885 | cpmgr->next++; |
---|
| 886 | } |
---|
| 887 | else if (bg != OWL_COLOR_DEFAULT) { |
---|
[af1920fd] | 888 | /* We still don't have a pair, drop the background color. Too bad. */ |
---|
[c2c5c77] | 889 | owl_function_debugmsg("colorpairs: color shortage - dropping background color."); |
---|
| 890 | pair = owl_fmtext_get_colorpair(fg, OWL_COLOR_DEFAULT); |
---|
| 891 | } |
---|
| 892 | else { |
---|
[af1920fd] | 893 | /* We still don't have a pair, defaults all around. */ |
---|
[c2c5c77] | 894 | owl_function_debugmsg("colorpairs: color shortage - dropping foreground and background color."); |
---|
| 895 | pair = 0; |
---|
[8fa9562] | 896 | } |
---|
| 897 | } |
---|
| 898 | return pair; |
---|
| 899 | } |
---|